287 lines
8.6 KiB
C
287 lines
8.6 KiB
C
/*
|
|
* Copyright (C) ST-Ericsson SA 2010
|
|
*
|
|
* License Terms: GNU General Public License, version 2
|
|
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
|
|
*/
|
|
|
|
#ifndef __STMPE_H
|
|
#define __STMPE_H
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/mfd/core.h>
|
|
#include <linux/mfd/stmpe.h>
|
|
#include <linux/printk.h>
|
|
#include <linux/types.h>
|
|
|
|
extern const struct dev_pm_ops stmpe_dev_pm_ops;
|
|
|
|
#ifdef STMPE_DUMP_BYTES
|
|
static inline void stmpe_dump_bytes(const char *str, const void *buf,
|
|
size_t len)
|
|
{
|
|
print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len);
|
|
}
|
|
#else
|
|
static inline void stmpe_dump_bytes(const char *str, const void *buf,
|
|
size_t len)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* struct stmpe_variant_block - information about block
|
|
* @cell: base mfd cell
|
|
* @irq: interrupt number to be added to each IORESOURCE_IRQ
|
|
* in the cell
|
|
* @block: block id; used for identification with platform data and for
|
|
* enable and altfunc callbacks
|
|
*/
|
|
struct stmpe_variant_block {
|
|
const struct mfd_cell *cell;
|
|
int irq;
|
|
enum stmpe_block block;
|
|
};
|
|
|
|
/**
|
|
* struct stmpe_variant_info - variant-specific information
|
|
* @name: part name
|
|
* @id_val: content of CHIPID register
|
|
* @id_mask: bits valid in CHIPID register for comparison with id_val
|
|
* @num_gpios: number of GPIOS
|
|
* @af_bits: number of bits used to specify the alternate function
|
|
* @regs: variant specific registers.
|
|
* @blocks: list of blocks present on this device
|
|
* @num_blocks: number of blocks present on this device
|
|
* @num_irqs: number of internal IRQs available on this device
|
|
* @enable: callback to enable the specified blocks.
|
|
* Called with the I/O lock held.
|
|
* @get_altfunc: callback to get the alternate function number for the
|
|
* specific block
|
|
* @enable_autosleep: callback to configure autosleep with specified timeout
|
|
*/
|
|
struct stmpe_variant_info {
|
|
const char *name;
|
|
u16 id_val;
|
|
u16 id_mask;
|
|
int num_gpios;
|
|
int af_bits;
|
|
const u8 *regs;
|
|
struct stmpe_variant_block *blocks;
|
|
int num_blocks;
|
|
int num_irqs;
|
|
int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable);
|
|
int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block);
|
|
int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout);
|
|
};
|
|
|
|
/**
|
|
* struct stmpe_client_info - i2c or spi specific routines/info
|
|
* @data: client specific data
|
|
* @read_byte: read single byte
|
|
* @write_byte: write single byte
|
|
* @read_block: read block or multiple bytes
|
|
* @write_block: write block or multiple bytes
|
|
* @init: client init routine, called during probe
|
|
*/
|
|
struct stmpe_client_info {
|
|
void *data;
|
|
int irq;
|
|
void *client;
|
|
struct device *dev;
|
|
int (*read_byte)(struct stmpe *stmpe, u8 reg);
|
|
int (*write_byte)(struct stmpe *stmpe, u8 reg, u8 val);
|
|
int (*read_block)(struct stmpe *stmpe, u8 reg, u8 len, u8 *values);
|
|
int (*write_block)(struct stmpe *stmpe, u8 reg, u8 len,
|
|
const u8 *values);
|
|
void (*init)(struct stmpe *stmpe);
|
|
};
|
|
|
|
int stmpe_probe(struct stmpe_client_info *ci, int partnum);
|
|
int stmpe_remove(struct stmpe *stmpe);
|
|
|
|
#define STMPE_ICR_LSB_HIGH (1 << 2)
|
|
#define STMPE_ICR_LSB_EDGE (1 << 1)
|
|
#define STMPE_ICR_LSB_GIM (1 << 0)
|
|
|
|
/*
|
|
* STMPE801
|
|
*/
|
|
#define STMPE801_ID 0x0108
|
|
#define STMPE801_NR_INTERNAL_IRQS 1
|
|
|
|
#define STMPE801_REG_CHIP_ID 0x00
|
|
#define STMPE801_REG_VERSION_ID 0x02
|
|
#define STMPE801_REG_SYS_CTRL 0x04
|
|
#define STMPE801_REG_GPIO_INT_EN 0x08
|
|
#define STMPE801_REG_GPIO_INT_STA 0x09
|
|
#define STMPE801_REG_GPIO_MP_STA 0x10
|
|
#define STMPE801_REG_GPIO_SET_PIN 0x11
|
|
#define STMPE801_REG_GPIO_DIR 0x12
|
|
|
|
#define STMPE801_REG_SYS_CTRL_RESET (1 << 7)
|
|
#define STMPE801_REG_SYS_CTRL_INT_EN (1 << 2)
|
|
#define STMPE801_REG_SYS_CTRL_INT_HI (1 << 0)
|
|
|
|
/*
|
|
* STMPE811
|
|
*/
|
|
|
|
#define STMPE811_IRQ_TOUCH_DET 0
|
|
#define STMPE811_IRQ_FIFO_TH 1
|
|
#define STMPE811_IRQ_FIFO_OFLOW 2
|
|
#define STMPE811_IRQ_FIFO_FULL 3
|
|
#define STMPE811_IRQ_FIFO_EMPTY 4
|
|
#define STMPE811_IRQ_TEMP_SENS 5
|
|
#define STMPE811_IRQ_ADC 6
|
|
#define STMPE811_IRQ_GPIOC 7
|
|
#define STMPE811_NR_INTERNAL_IRQS 8
|
|
|
|
#define STMPE811_REG_CHIP_ID 0x00
|
|
#define STMPE811_REG_SYS_CTRL2 0x04
|
|
#define STMPE811_REG_SPI_CFG 0x08
|
|
#define STMPE811_REG_INT_CTRL 0x09
|
|
#define STMPE811_REG_INT_EN 0x0A
|
|
#define STMPE811_REG_INT_STA 0x0B
|
|
#define STMPE811_REG_GPIO_INT_EN 0x0C
|
|
#define STMPE811_REG_GPIO_INT_STA 0x0D
|
|
#define STMPE811_REG_GPIO_SET_PIN 0x10
|
|
#define STMPE811_REG_GPIO_CLR_PIN 0x11
|
|
#define STMPE811_REG_GPIO_MP_STA 0x12
|
|
#define STMPE811_REG_GPIO_DIR 0x13
|
|
#define STMPE811_REG_GPIO_ED 0x14
|
|
#define STMPE811_REG_GPIO_RE 0x15
|
|
#define STMPE811_REG_GPIO_FE 0x16
|
|
#define STMPE811_REG_GPIO_AF 0x17
|
|
|
|
#define STMPE811_SYS_CTRL2_ADC_OFF (1 << 0)
|
|
#define STMPE811_SYS_CTRL2_TSC_OFF (1 << 1)
|
|
#define STMPE811_SYS_CTRL2_GPIO_OFF (1 << 2)
|
|
#define STMPE811_SYS_CTRL2_TS_OFF (1 << 3)
|
|
|
|
/*
|
|
* STMPE1601
|
|
*/
|
|
|
|
#define STMPE1601_IRQ_GPIOC 8
|
|
#define STMPE1601_IRQ_PWM3 7
|
|
#define STMPE1601_IRQ_PWM2 6
|
|
#define STMPE1601_IRQ_PWM1 5
|
|
#define STMPE1601_IRQ_PWM0 4
|
|
#define STMPE1601_IRQ_KEYPAD_OVER 2
|
|
#define STMPE1601_IRQ_KEYPAD 1
|
|
#define STMPE1601_IRQ_WAKEUP 0
|
|
#define STMPE1601_NR_INTERNAL_IRQS 9
|
|
|
|
#define STMPE1601_REG_SYS_CTRL 0x02
|
|
#define STMPE1601_REG_SYS_CTRL2 0x03
|
|
#define STMPE1601_REG_ICR_LSB 0x11
|
|
#define STMPE1601_REG_IER_LSB 0x13
|
|
#define STMPE1601_REG_ISR_MSB 0x14
|
|
#define STMPE1601_REG_CHIP_ID 0x80
|
|
#define STMPE1601_REG_INT_EN_GPIO_MASK_LSB 0x17
|
|
#define STMPE1601_REG_INT_STA_GPIO_MSB 0x18
|
|
#define STMPE1601_REG_GPIO_MP_LSB 0x87
|
|
#define STMPE1601_REG_GPIO_SET_LSB 0x83
|
|
#define STMPE1601_REG_GPIO_CLR_LSB 0x85
|
|
#define STMPE1601_REG_GPIO_SET_DIR_LSB 0x89
|
|
#define STMPE1601_REG_GPIO_ED_MSB 0x8A
|
|
#define STMPE1601_REG_GPIO_RE_LSB 0x8D
|
|
#define STMPE1601_REG_GPIO_FE_LSB 0x8F
|
|
#define STMPE1601_REG_GPIO_AF_U_MSB 0x92
|
|
|
|
#define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3)
|
|
#define STMPE1601_SYS_CTRL_ENABLE_KPC (1 << 1)
|
|
#define STMPE1601_SYSCON_ENABLE_SPWM (1 << 0)
|
|
|
|
/* The 1601/2403 share the same masks */
|
|
#define STMPE1601_AUTOSLEEP_TIMEOUT_MASK (0x7)
|
|
#define STPME1601_AUTOSLEEP_ENABLE (1 << 3)
|
|
|
|
/*
|
|
* STMPE1801
|
|
*/
|
|
#define STMPE1801_ID 0xc110
|
|
#define STMPE1801_NR_INTERNAL_IRQS 5
|
|
#define STMPE1801_IRQ_KEYPAD_COMBI 4
|
|
#define STMPE1801_IRQ_GPIOC 3
|
|
#define STMPE1801_IRQ_KEYPAD_OVER 2
|
|
#define STMPE1801_IRQ_KEYPAD 1
|
|
#define STMPE1801_IRQ_WAKEUP 0
|
|
|
|
#define STMPE1801_REG_CHIP_ID 0x00
|
|
#define STMPE1801_REG_SYS_CTRL 0x02
|
|
#define STMPE1801_REG_INT_CTRL_LOW 0x04
|
|
#define STMPE1801_REG_INT_EN_MASK_LOW 0x06
|
|
#define STMPE1801_REG_INT_STA_LOW 0x08
|
|
#define STMPE1801_REG_INT_EN_GPIO_MASK_LOW 0x0A
|
|
#define STMPE1801_REG_INT_EN_GPIO_MASK_MID 0x0B
|
|
#define STMPE1801_REG_INT_EN_GPIO_MASK_HIGH 0x0C
|
|
#define STMPE1801_REG_INT_STA_GPIO_LOW 0x0D
|
|
#define STMPE1801_REG_INT_STA_GPIO_MID 0x0E
|
|
#define STMPE1801_REG_INT_STA_GPIO_HIGH 0x0F
|
|
#define STMPE1801_REG_GPIO_SET_LOW 0x10
|
|
#define STMPE1801_REG_GPIO_SET_MID 0x11
|
|
#define STMPE1801_REG_GPIO_SET_HIGH 0x12
|
|
#define STMPE1801_REG_GPIO_CLR_LOW 0x13
|
|
#define STMPE1801_REG_GPIO_CLR_MID 0x14
|
|
#define STMPE1801_REG_GPIO_CLR_HIGH 0x15
|
|
#define STMPE1801_REG_GPIO_MP_LOW 0x16
|
|
#define STMPE1801_REG_GPIO_MP_MID 0x17
|
|
#define STMPE1801_REG_GPIO_MP_HIGH 0x18
|
|
#define STMPE1801_REG_GPIO_SET_DIR_LOW 0x19
|
|
#define STMPE1801_REG_GPIO_SET_DIR_MID 0x1A
|
|
#define STMPE1801_REG_GPIO_SET_DIR_HIGH 0x1B
|
|
#define STMPE1801_REG_GPIO_RE_LOW 0x1C
|
|
#define STMPE1801_REG_GPIO_RE_MID 0x1D
|
|
#define STMPE1801_REG_GPIO_RE_HIGH 0x1E
|
|
#define STMPE1801_REG_GPIO_FE_LOW 0x1F
|
|
#define STMPE1801_REG_GPIO_FE_MID 0x20
|
|
#define STMPE1801_REG_GPIO_FE_HIGH 0x21
|
|
#define STMPE1801_REG_GPIO_PULL_UP_LOW 0x22
|
|
#define STMPE1801_REG_GPIO_PULL_UP_MID 0x23
|
|
#define STMPE1801_REG_GPIO_PULL_UP_HIGH 0x24
|
|
|
|
#define STMPE1801_MSK_SYS_CTRL_RESET (1 << 7)
|
|
|
|
#define STMPE1801_MSK_INT_EN_KPC (1 << 1)
|
|
#define STMPE1801_MSK_INT_EN_GPIO (1 << 3)
|
|
|
|
/*
|
|
* STMPE24xx
|
|
*/
|
|
|
|
#define STMPE24XX_IRQ_GPIOC 8
|
|
#define STMPE24XX_IRQ_PWM2 7
|
|
#define STMPE24XX_IRQ_PWM1 6
|
|
#define STMPE24XX_IRQ_PWM0 5
|
|
#define STMPE24XX_IRQ_ROT_OVER 4
|
|
#define STMPE24XX_IRQ_ROT 3
|
|
#define STMPE24XX_IRQ_KEYPAD_OVER 2
|
|
#define STMPE24XX_IRQ_KEYPAD 1
|
|
#define STMPE24XX_IRQ_WAKEUP 0
|
|
#define STMPE24XX_NR_INTERNAL_IRQS 9
|
|
|
|
#define STMPE24XX_REG_SYS_CTRL 0x02
|
|
#define STMPE24XX_REG_ICR_LSB 0x11
|
|
#define STMPE24XX_REG_IER_LSB 0x13
|
|
#define STMPE24XX_REG_ISR_MSB 0x14
|
|
#define STMPE24XX_REG_CHIP_ID 0x80
|
|
#define STMPE24XX_REG_IEGPIOR_LSB 0x18
|
|
#define STMPE24XX_REG_ISGPIOR_MSB 0x19
|
|
#define STMPE24XX_REG_GPMR_LSB 0xA5
|
|
#define STMPE24XX_REG_GPSR_LSB 0x85
|
|
#define STMPE24XX_REG_GPCR_LSB 0x88
|
|
#define STMPE24XX_REG_GPDR_LSB 0x8B
|
|
#define STMPE24XX_REG_GPEDR_MSB 0x8C
|
|
#define STMPE24XX_REG_GPRER_LSB 0x91
|
|
#define STMPE24XX_REG_GPFER_LSB 0x94
|
|
#define STMPE24XX_REG_GPAFR_U_MSB 0x9B
|
|
|
|
#define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3)
|
|
#define STMPE24XX_SYSCON_ENABLE_PWM (1 << 2)
|
|
#define STMPE24XX_SYS_CTRL_ENABLE_KPC (1 << 1)
|
|
#define STMPE24XX_SYSCON_ENABLE_ROT (1 << 0)
|
|
|
|
#endif
|